mod section01;
mod section02;
mod section03;
mod section04;
mod section05;
mod section07;

fn main() {
    section01::practice();

    println!("");
    section02::practice();

    println!("");
    section03::practice();

    println!("");
    section04::practice();

    println!("");
    section05::practice();

    println!("");
    section07::practice();
}
